<%@ page language="java" contentType="text/html;charset=utf-8"%>
<html>
<head>
<title>userLoginPlease.jsp</title>
</head>
<body>
<br>
<%
String mainPath=request.getContextPath()+"/pages/product/main.jsp";  
%>
<script language='javascript'>alert('请先登录!');window.location.href='<%= mainPath %>';</script>

</body>
</html>
